It doesn't make any sense that when I try to put the logo of my forum to the center it completely messes up the whole appearance, does it? It happened every time so far, to which I would reset the whole thing to the old template, tried again, and got the same result. The only thing, the only change is clicking "Center" on "Logo positioning". When i reload the forum, everything is on the left side, the entire previous structure is gone. Where's the problem?

As you can see, I - sort of - solved it, and it took several attempts putting it to the left, right, and then finally to the center, the last time it worked. But now I'm scared to breathe at it, the image in question is just a test image and will have to be changed, but I don't think I'll have the nerves to go through the whole thing once again. Might it be a bug or smt.?